<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


    <form action="/upload" method="post" enctype="multipart/form-data">
        文件: <input type="file" name="pic" />
        <button type="submit">上传</button>
    </form>




</body>
</html>